DBMS > Cloudflare Workers KV vs. Hawkular Metrics vs. SwayDB vs. Transwarp StellarDB

System Properties Comparison Cloudflare Workers KV vs. Hawkular Metrics vs. SwayDB vs. Transwarp StellarDB

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Name	Cloudflare Workers KV  Xexclude from comparison	Hawkular Metrics  Xexclude from comparison	SwayDB  Xexclude from comparison	Transwarp StellarDB  Xexclude from comparison
Description	A global, low-latency, key-value store for applications on Cloudflare with exceptionally high read volumes and low-latency.	Hawkular metrics is the metric storage of the Red Hat sponsored Hawkular monitoring system. It is based on Cassandra.	An embeddable, non-blocking, type-safe key-value store for single or multiple disks and in-memory storage	A distributed graph DBMS built for enterprise-level graph applications
Primary database model	Key-value store	Time Series DBMS	Key-value store	Graph DBMS
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.39 Rank #274   Overall #39   Key-value stores	Score 0.08 Rank #366   Overall #39   Time Series DBMS	Score 0.04 Rank #387   Overall #61   Key-value stores	Score 0.07 Rank #371   Overall #39   Graph DBMS
Website	www.cloudflare.com/­developer-platform/­workers-kv	www.hawkular.org	swaydb.simer.au	www.transwarp.cn/­en/­product/­stellardb
Technical documentation	developers.cloudflare.com/­kv/­api	www.hawkular.org/­hawkular-metrics/­docs/­user-guide
Developer	Cloudflare	Community supported by Red Hat	Simer Plaha	Transwarp
Initial release	2018	2014	2018
License Commercial or Open Source	commercial	Open Source Apache 2.0	Open Source GNU Affero GPL V3.0	commercial
Cloud-based only Only available as a cloud service	yes	no	no	no
DBaaS offerings (sponsored links) Database as a Service Providers of DBaaS offerings, please contact us to be listed.
Implementation language		Java	Scala
Server operating systems	hosted	Linux OS X Windows
Data scheme	schema-free	schema-free	schema-free
Typing predefined data types such as float or date	no	yes	no
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no	no	no
Secondary indexes	no	no	no
SQL Support of SQL	no	no	no	SQL-like query language
APIs and other access methods	HTTP REST Proprietary protocol	HTTP REST		OpenCypher
Supported programming languages	C C++ Dart JavaScript Kotlin Python Rust Scala	Go Java Python Ruby	Java Kotlin Scala
Server-side scripts Stored procedures	no	no	no
Triggers	no	yes via Hawkular Alerting	no
Partitioning methods Methods for storing different data on different nodes		Sharding based on Cassandra	none	horizontal partitioning
Replication methods Methods for redundantly storing data on multiple nodes	yes	selectable replication factor based on Cassandra	none
MapReduce Offers an API for user-defined Map/Reduce methods	no	no	no
Consistency concepts Methods to ensure consistency in a distributed system	Eventual Consistency	Eventual Consistency based on Cassandra Immediate Consistency based on Cassandra	Immediate Consistency
Foreign keys Referential integrity	no	no	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	no	no	Atomic execution of operations
Concurrency Support for concurrent manipulation of data	yes	yes	yes	yes
Durability Support for making data persistent	yes	yes	yes	yes
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	no	no	yes
User concepts Access control		no	no	yes
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More resources
	Cloudflare Workers KV	Hawkular Metrics	SwayDB	Transwarp StellarDB
Recent citations in the news	Cloudflare updates Workers platform with Python support, event notifications, and improved local development ... 3 April 2024, DevClass Cloudflare recovers from service outage after power failure at core North American data center 3 November 2023, DatacenterDynamics Cloudflare dashboard, API service feeling poorly due to datacenter power snafu 2 November 2023, The Register Cloudflare is (still) struggling with another outage - here's what to know 3 November 2023, ZDNet How to Build a Scalable URL Shortener With Cloudflare Workers and KV Under 10 Minutes 21 August 2022, hackernoon.com provided by Google News	Waiting for Red Hat OpenShift 4.0? Too late, 4.1 has already arrived… • DEVCLASS 5 June 2019, DevClass provided by Google News

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